Carrie Underwood is expecting Baby No. 2. But she’s telling fans now that getting there hasn’t been easy: She suffered three miscarriages in 2017 and 2018.

“Oh, lawdy! 2017 just wasn't how I imagined it," she told CBS Sunday Morning of her fertility struggles. "I'd kind of planned that 2017 was, you know, going to be the year that I work on new music, and I have a baby. We got pregnant early 2017, and (it) didn't work out."

The country music star, 35, and her husband, recently retired Nashville Predators hockey player Mike Fisher, have a 3-year-old son, Isaiah. She announced in August that they’re expecting another baby.

Underwood went on to lose a second pregnancy in 2017 and then a third earlier in 2018.

“In the beginning, it was like, 'OK, God, we know this is, just wasn't your timing. And that is all right. We will bounce back and figure our way through it,' “ she says. But after the third loss, “it was just kind of like, 'OK, like, what's the deal?'

“I have this amazing life. Like, really, what can I complain about? I can't. I have an incredible husband, incredible friends, an incredible job, an incredible kid. Can I be mad? No. And I got mad."

After what she thought was another miscarriage, “I was like, 'Why on Earth do I keep getting pregnant if I can't have a kid? Like, what is this? ... Either shut the door or let me have a kid.' And for the first time, I feel like I actually told God how I felt.”

Two days later, “I went to the doctor to, like, confirm, another miscarriage. And they told me everything was great!

"And I was like, 'You heard me.' Not that He hasn't in the past. But maybe, I don't know, He heard me."

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Carrie Underwood, who turned 36 on March 10, has come a long way since winning the fourth season of "American Idol" in 2005. All smiles here, she clutches her female vocalist of the year trophy at the 42nd Annual CMA Awards in 2008. Join as USA TODAY takes a walk through the star's rise to fame. Eileen Blass, USA TODAY

Carrie Underwood sang a medley of her hits - "Good Girl," "Blown Away" and "See You Again" at the 47th Annual CMA Music Awards in 2013. Everyone marveled at her music - and her legs. Larry McCormack, The Tennessean

At the CMA Awards, she sings "Softly and Tenderly" in a tribute to the Las Vegas shooting victims and members of the country community who passed away in the last year. Larry McCormack / tennessean.com

The singer announced in August 2018 that she was expecting her second child. Here, she performs at the 2018 iHeartRadio Music Festival on Sept 22 in Las Vegas. Kevin Winter, Getty Images for iHeartMedia